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Code Issues Releases Wiki Activity

Simplify the use of swr_convert and add #ifdef guards around code that require libswresample.

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cc9cii 2014-09-01 21:49:37 +10:00
parent 0b9d17a81d
commit f4dd281393
2 changed files with 53 additions and 40 deletions
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5
CMakeLists.txt
View file

@ -139,10 +139,13 @@ set(OPENMW_LIBS ${OENGINE_ALL})
set(OPENMW_LIBS_HEADER)
# Sound setup
set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE SWRESAMPLE)
set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE)
find_package(FFmpeg REQUIRED)
set(SOUND_INPUT_INCLUDES ${FFMPEG_INCLUDE_DIRS})
set(SOUND_INPUT_LIBRARY ${FFMPEG_LIBRARIES} ${SWSCALE_LIBRARIES})
if( SWRESAMPLE_FOUND )
add_definitions(-DHAVE_LIBSWRESAMPLE)
endif()
# TinyXML
option(USE_SYSTEM_TINYXML "Use system TinyXML library instead of internal." OFF)

88
apps/openmw/mwrender/videoplayer.cpp
View file

@ -53,9 +53,10 @@ extern "C"
// http://ffmpeg.zeranoe.com/forum/viewtopic.php?f=15&t=872
#if AV_VERSION_INT(54, 56, 0) <= AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, LIBAVCODEC_VERSION_MICRO)
#include <libswresample/swresample.h> /* swr_init, swr_alloc, swr_convert, swr_free */
#include <libavutil/opt.h> /* av_opt_set_int, av_opt_set_sample_fmt */
#define FFMPEG_PLAY_BINKAUDIO
#ifdef HAVE_LIBSWRESAMPLE
#include <libswresample/swresample.h>
#define FFMPEG_PLAY_BINKAUDIO
#endif
#elif defined(_WIN32) && defined(_WIN64)
// Versions up to 54.54.100 potentially crashes on Windows 64bit.
#if ((LIBAVCODEC_VERSION_MAJOR == 54) && (LIBAVCODEC_VERSION_MINOR >= 55))
@ -315,7 +316,11 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
VideoState *mVideoState;
AVStream *mAVStream;
#ifdef HAVE_LIBSWRESAMPLE
SwrContext *mSwr;
#else
bool mSwr;
#endif
int mSamplesAllChannels;
enum AVSampleFormat mOutputSampleFormat;
@ -442,21 +447,27 @@ public:
virtual ~MovieAudioDecoder()
{
av_freep(&mFrame);
if(mSwr)
swr_free(&mSwr);
#ifdef HAVE_LIBSWRESAMPLE
swr_free(&mSwr);
#endif
}
void getInfo(int *samplerate, MWSound::ChannelConfig *chans, MWSound::SampleType * type)
{
if((mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_U8) ||
(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_U8P))
if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_U8)
*type = MWSound::SampleType_UInt8;
else if((mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_S16) ||
(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_S16P))
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_S16)
*type = MWSound::SampleType_Int16;
else if((mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_FLT) ||
(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_FLTP))
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_FLT)
*type = MWSound::SampleType_Float32;
#ifdef HAVE_LIBSWRESAMPLE
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_U8P)
*type = MWSound::SampleType_UInt8;
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_S16P)
*type = MWSound::SampleType_Int16;
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_FLTP)
*type = MWSound::SampleType_Float32;
#endif
else
fail(std::string("Unsupported sample format: ")+
av_get_sample_fmt_name(mAVStream->codec->sample_fmt));
@ -495,6 +506,7 @@ public:
*samplerate = mAVStream->codec->sample_rate;
#ifdef HAVE_LIBSWRESAMPLE
if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_U8P)
mOutputSampleFormat = AV_SAMPLE_FMT_U8;
else if(mAVStream->codec->sample_fmt == AV_SAMPLE_FMT_S16P)
@ -506,15 +518,15 @@ public:
if(mOutputSampleFormat != AV_SAMPLE_FMT_NONE)
{
mSwr = swr_alloc_set_opts(mSwr, // SwrContext
mAVStream->codec->channel_layout, // output ch layout
mOutputSampleFormat, // output sample format
mAVStream->codec->sample_rate, // output sample rate
mAVStream->codec->channel_layout, // input ch layout
mAVStream->codec->sample_fmt, // input sample format
mAVStream->codec->sample_rate, // input sample rate
0, // logging level offset
NULL); // log context
mSwr = swr_alloc_set_opts(mSwr, // SwrContext
mAVStream->codec->channel_layout, // output ch layout
mOutputSampleFormat, // output sample format
mAVStream->codec->sample_rate, // output sample rate
mAVStream->codec->channel_layout, // input ch layout
mAVStream->codec->sample_fmt, // input sample format
mAVStream->codec->sample_rate, // input sample rate
0, // logging level offset
NULL); // log context
if(!mSwr)
fail(std::string("Couldn't allocate SwrContext"));
if(swr_init(mSwr) < 0)
@ -523,12 +535,16 @@ public:
mSamplesAllChannels = av_get_bytes_per_sample(mOutputSampleFormat)
* mAVStream->codec->channels;
}
#endif
}
size_t read(char *stream, size_t len)
{
int sample_skip = synchronize_audio();
size_t total = 0;
uint8_t *output = NULL;
if(mSwr) av_samples_alloc(&output, NULL, mAVStream->codec->channels,
len/mSamplesAllChannels, mOutputSampleFormat, 0);
while(total < len)
{
@ -546,7 +562,17 @@ public:
sample_skip -= mFramePos;
continue;
}
#ifdef HAVE_LIBSWRESAMPLE
if(mSwr)
{
int n = swr_convert(mSwr, (uint8_t**)&output, mFrame->nb_samples,
(const uint8_t**)mFrame->extended_data, mFrame->nb_samples);
if(n < 0)
break;
else if(n < mFrame->nb_samples)
std::cerr<<"swr_convert error: "+std::to_string(mFrame->nb_samples-n)<<std::endl;
}
#endif
size_t len1 = len - total;
if(mFramePos >= 0)
{
@ -554,24 +580,7 @@ public:
if(mSwr)
{
int convertedSamples = 0;
if(mFramePos > 0 && mFramePos < mFrameSize)
{
if(swr_drop_output(mSwr, mFramePos/mSamplesAllChannels) < 0)
break;
convertedSamples = swr_convert(mSwr, (uint8_t**)&stream, len1/mSamplesAllChannels,
(const uint8_t**)mFrame->extended_data, (len1+mFramePos)/mSamplesAllChannels);
}
else
{
convertedSamples = swr_convert(mSwr, (uint8_t**)&stream, len1/mSamplesAllChannels,
(const uint8_t**)mFrame->extended_data, len1/mSamplesAllChannels);
}
if(convertedSamples > 0)
len1 = convertedSamples * mSamplesAllChannels;
else
break;
memcpy(stream, &output[0]+mFramePos, len1);
}
else
{
@ -617,6 +626,7 @@ public:
stream += len1;
mFramePos += len1;
}
if(mSwr) av_freep(&output);
return total;
}